Pathak, promila...(etal) Orchids: sciense and commerce promila Pathak - India Bishen pub 2001 - 521p. index:p515-521 Biplio:p 364-376 ISBN: 81 211 0271 5 Subjects--Topical Terms: Orchid culture Orchids Dewey Class. No.: 635.9344/ O 63